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Very Good

#491 of 3,192 schools in MI

Top 15% in state

Costello Elementary School

Elementary School · Troy School District

1333 HAMMAN DR, Troy, MI 48085

Enrollment

406

Student-Teacher

16.9:1

Score

7.8

Grades

Pre-K – 5th

Data vintage2022-23

How this school compares

Michigan schools

#491 of 3,192

In Troy

#15 of 25

public schools

In district

#15 of 21

Troy School District

Equity

9.4 / 10

Excellent

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Costello Elementary School

7.8/10

Elementary School in Troy · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.

Athens High School

8.8/10

0.5 mi away. Use as a geographic alternative in the same move search.

Larson Middle School

8.0/10

0.8 mi away. Use as a geographic alternative in the same move search.

About Costello Elementary School

Costello Elementary School is a public elementary school in Troy, MI, part of Troy School District. Costello Elementary School serves approximately 406 students, and covers grades Pre-K-5th, and has a 16.9:1 student-teacher ratio. Costello Elementary School has a current MySchoolScout rating of 7.8 out of 10 and ranks #491 of 3,192 schools in MI.

Structured state assessment records for Costello Elementary School show 71% math proficiency (multi-year average, 2009-2022) and 77% reading/ELA proficiency (multi-year average, 2009-2022).

How it comparesOn par with district
  • This school 7.8 · Very Good
  • District avg 7.9
  • MI avg 6.1

Score Breakdown

Full Profile · 3/3 metrics
Student Progress6.7Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.39 pts/yr
Data Period2009–2022
TrendDeclining
Academics9.0Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency66.5% (2022 EdFacts)
Reading/ELA Proficiency72% (2022 EdFacts)
Math vs. State Avg+24.6 pts
Reading vs. State Avg+30.1 pts
Overall Proficiency69% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)65% (model expectation from 2022 EdFacts)
vs. Expected+4.4 pts
Adjusted Percentile85th
Resources & Environment8.8Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio16.9:1
Per-Pupil Spending$16,698
Chronic Absenteeism13.8%

Costello Elementary School — Students at Costello Elementary School score 69% proficient, which is above what's typical for similar communities (expected: 65%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

14.8%

Students qualifying for federal meal assistance

Test Scores MI EDFACTS (2021-22)

Math Proficiency 70.9% (multi-year average, 2009-2022)
School
State
36.6% (2022 EdFacts)
ELA Proficiency 76.8% (multi-year average, 2009-2022)
School
State
43.1% (2022 EdFacts)

Based on 34 test records from MI state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
97.5%
ELA
97.5%
2010
Math
97.5%
ELA
97.5%
2011
Math
82%
ELA
87%
2012
Math
72%
ELA
87%
2013
Math
72%
ELA
87%
2014
Math
67%
ELA
77%
2015
Math
67%
ELA
72%
2016
Math
62%
ELA
72%
2017
Math
62%
ELA
72%
2018
Math
67%
ELA
72%
2019
Math
67%
ELA
72%
2020*
Math
62%
ELA
62%
2021*
Math
62%
ELA
62%
2022
Math
66.9%
ELA
72%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 6.7/10.

How Costello Elementary School Compares

See how Costello Elementary School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.8/10
85th percentile in MI
Academic
9.0/10
Excellent
Growth
6.7/10
Average
Environment
8.8/10
Excellent

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
15%
Teaching Staff
17:1 student-teacher ratio
24 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
13.8%

Location

1333 HAMMAN DR, Troy, MI 48085

Nearby Alternatives

Families considering Costello Elementary School may also want to explore other elementary schools in the area. Troy Early Childhood (rated 9.1/10, 2.2 miles away), which scores notably higher. Another option is Wass Elementary School (rated 8.7/10, 1.4 miles away), which scores slightly higher. Additionally, Martell Elementary School (rated 8.4/10, 1.8 miles away), which scores slightly higher. For more schools in Troy, see our Troy schools guide .

Nearby Schools

20 within 2.2 mi
School Distance Rating
Athens High School Troy 0.5 mi 8.8
Larson Middle School Troy 0.8 mi 8.0
Troy Center for Transition Troy 1.2 mi 6.5
Baker Middle School Troy 1.2 mi 7.9
Barnard Elementary School Troy 1.1 mi 7.3
Leonard Elementary School Troy 1.0 mi 7.9
Troy Union Elementary School Troy 1.4 mi 6.4
Troy College and Career High School Troy 1.6 mi 7.6
Wattles Elementary School Troy 1.3 mi 8.3
Hill Elementary School Troy 1.3 mi 6.7
Wass Elementary School Troy 1.4 mi 8.7
BETHANY CHRISTIAN SCHOOL Troy 1.9 mi 7.4
BROOKFIELD ACADEMY - TROY Troy 1.5 mi 8.1
OAKLAND CHILDRENS ACADEMY Troy 1.7 mi 7.5
Smith Middle School Troy 1.8 mi 8.2
Martell Elementary School Troy 1.8 mi 8.4
Morse Elementary School Troy 2.2 mi 5.9
Lighthouse Connections Academy Troy 2.1 mi 5.9
Noor International Academy Sterling Heights 2.1 mi 7.2
Troy Early Childhood Troy 2.2 mi 9.1

Neighborhood Census ACS (2019-2023)

Census data for ZIP 48085 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$144,146

Median Home Value

$395,300

Median Rent

$2,213/mo

Population

27,371

College Educated

59%

Homeownership

91.8%

Avg Commute

25.6 min

Poverty Rate

3.4%

Median Age

43.2

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Blanche Sims Elementary School Lake Orion, MI 7.8
Cedar Trails Elementary School Cedar Springs, MI 7.8
Central Grade School Traverse City, MI 7.8
Copper Island Academy Calumet, MI 7.8
Emmons Lake Elementary School Caledonia, MI 7.8
Explorer Elementary Caledonia, MI 7.8

Frequently Asked Questions

Common questions about Costello Elementary School

What grades does Costello Elementary School serve?

Costello Elementary School serves students in grades Pre-K through 5th.

How many students attend Costello Elementary School?

Costello Elementary School has an enrollment of approximately 406 students.

What is the student-teacher ratio at Costello Elementary School?

The student-teacher ratio at Costello Elementary School is 16.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Costello Elementary School rank in MI?

Costello Elementary School ranks #491 of 3,192 schools in MI.

What is Costello Elementary School's MySchoolScout rating?

Costello Elementary School has a current MySchoolScout rating of 7.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Costello Elementary School?

Based on loaded state assessment records, Costello Elementary School has 71% math proficiency (multi-year average, 2009-2022) and 77% reading/ELA proficiency (multi-year average, 2009-2022).

Is Costello Elementary School a charter school?

No, Costello Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Costello Elementary School a Title I school?

No, Costello Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Costello Elementary School?

14.8% of students at Costello Elementary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
16 Car-Dependent
Bike Score
35 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Pre-K – 5th
Enrollment
406
Student-Teacher Ratio
16.9:1
Teachers (FTE)
24
Free/Reduced Lunch
14.8%
Type
regular
Setting
Small City
County
Oakland County
Chronic Absenteeism (SY 2022-23)
13.8%

District

Troy School District
District Enrollment
12,391
Schools in District
21
Per-Pupil Spending
$16,698
District Rank
#15 of 21

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